Boundary Atlas

ZIP code 50591: Thor, IA

ZIP code 50591 is in Thor (58% of residents), in Humboldt County (97%) and Webster County (2.9%), Iowa. 42% of its residents live outside city limits. It is in Iowa's 4th congressional district. Its state senate districts are State Senate District 28 (97%) and State Senate District 4 (2.9%); its state house districts are State House District 56 (97%) and State House District 8 (2.9%).

311residents (2020 Census)
29.4 sq miland area
1cities and towns
1congressional district
3voting precincts

See it on the mapAll of Iowa

City and county

City or townShare of ZIP residents
Thor58%

CountyShare of ZIP residents
Humboldt County97%
Webster County2.9%

Town or county subdivisionShare of ZIP residents
Norway township94%
Beaver township2.9%
Newark township2.9%

Congressional district

Congressional districtShare of ZIP residents
Iowa's 4th congressional district (IA-04)100%

Elected officials

OfficeMemberContactShare of residents
U.S. Representative (IA-04)Randy Feenstra (R)202-225-4426100%
U.S. SenatorChuck Grassley (R)202-224-3744 · contact formstatewide
U.S. SenatorJoni Ernst (R)202-224-3254 · contact formstatewide
State Senator (State Senate District 28)Dennis Guth (R)97%
State Senator (State Senate District 4)Tim Kraayenbrink (R)2.9%
State Representative (State House District 56)Mark Thompson (R)97%
State Representative (State House District 8)Ann Meyer (R)2.9%

Officials serving now (members of Congress until January 3, 2027). Sources: State legislators: Open States (public domain); Members of Congress: the @unitedstates project, congress-legislators (CC0).

Local government

State legislative districts

State senate districtShare of ZIP residents
State Senate District 2897%
State Senate District 42.9%

State house districtShare of ZIP residents
State House District 5697%
State House District 82.9%

Voting precincts

3 voting precincts overlap ZIP 50591. Map them, with each precinct's share of the ZIP's residents.

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ZIP 50591 here is the Census Bureau's ZIP Code Tabulation Area, which approximates the USPS ZIP Code; PO-box-only ZIPs have none. Districts are the maps in force for the November 3, 2026 election.